diff --git a/cm-cli.py b/cm-cli.py
index 0a472c98..ad00a108 100644
--- a/cm-cli.py
+++ b/cm-cli.py
@@ -1047,18 +1047,16 @@ def save_snapshot(
 ):
     cmd_ctx.set_user_directory(user_directory)
 
-    if output is None:
-        print("[bold red]ERROR: missing output path[/bold red]")
-        raise typer.Exit(code=1)
-        
-    if(not output.endswith('.json') and not output.endswith('.yaml')):
-        print("[bold red]ERROR: output path should be either '.json' or '.yaml' file.[/bold red]")
-        raise typer.Exit(code=1)
+    if output is not None:
+        if(not output.endswith('.json') and not output.endswith('.yaml')):
+            print("[bold red]ERROR: output path should be either '.json' or '.yaml' file.[/bold red]")
+            raise typer.Exit(code=1)
     
-    dir_path = os.path.dirname(output)
-    if(dir_path != '' and not os.path.exists(dir_path)):
-        print(f"[bold red]ERROR: {output} path not exists.[/bold red]")
-        raise typer.Exit(code=1)
+        dir_path = os.path.dirname(output)
+        
+        if(dir_path != '' and not os.path.exists(dir_path)):
+            print(f"[bold red]ERROR: {output} path not exists.[/bold red]")
+            raise typer.Exit(code=1)
         
     path = asyncio.run(core.save_snapshot_with_postfix('snapshot', output, not full_snapshot))
     print(f"Current snapshot is saved as `{path}`")
diff --git a/glob/manager_core.py b/glob/manager_core.py
index 3ee4c57f..e9af16bc 100644
--- a/glob/manager_core.py
+++ b/glob/manager_core.py
@@ -43,7 +43,7 @@ import manager_downloader
 from node_package import InstalledNodePackage
 
 
-version_code = [3, 31, 8]
+version_code = [3, 31, 9]
 version_str = f"V{version_code[0]}.{version_code[1]}" + (f'.{version_code[2]}' if len(version_code) > 2 else '')
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 72fe8cc4..96948d17 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "comfyui-manager"
 description = "ComfyUI-Manager provides features to install and manage custom nodes for ComfyUI, as well as various functionalities to assist with ComfyUI."
-version = "3.31.8"
+version = "3.31.9"
 license = { file = "LICENSE.txt" }
 dependencies = ["GitPython", "PyGithub", "matrix-client==0.4.0", "transformers", "huggingface-hub>0.20", "typer", "rich", "typing-extensions", "toml", "uv", "chardet"]